InChI=1/C21H25N5O/c22-19(12-15-4-2-1-3-5-15)21(27)26-10-8-17(9-11-26)24-18-6-7-20-16(13-18)14-23-25-20/h1-7,13-14,17,19,24H,8-12,22H2,(H,23,25)/t19-/m0/s1/f/h25H EFB0C8E936E88204